6SL3246-0BA22-1FA0 SINAMICS G120 CU250S-2 PN Control Unit PROFINET | Siemens

The Original New Siemens 6SL3246-0BA22-1FA0 SINAMICS G120 CU250S-2 PN Control Unit is a versatile and powerful control unit for single‑motor drives with high requirements placed on speed control. Part of the modular SINAMICS G120 inverter system (comprising power unit, control unit, and optional operator panel), this control unit integrates PROFINET support for seamless communication with automation systems. It supports advanced vector control and easy positioning (EPOS) via extended function license, making it ideal for demanding industrial applications such as conveyor systems, hoisting, and general motion control. The CU250S-2 PN features extensive I/O capabilities, Safety Integrated functions, and multiple encoder interfaces for flexible drive configuration.

Core Engineering Highlights:
PROFINET with EtherNet/IP support | Vector control and V/f control | Easy positioning EPOS via extended function license | 15 standard digital inputs (11 optically isolated) | 3 fail‑safe digital inputs | 4 configurable DI/DO | 3 relay outputs + 1 failsafe DO | 2 analog inputs (differential, voltage/current selectable) | 2 analog outputs | Encoder interfaces: D‑CLIQ, HTL/TTL/SSI, resolver/HTL via terminal | Safety Integrated: STO, SBC, SS1 (extended safety functions via license) | USB and SD/MMC interface | IP20 protection | 24V DC supply | 73 x 199 x 67 mm | 0.61 kg

Key Features:

• Original New Siemens 6SL3246-0BA22-1FA0 control unit

• Integrated PROFINET interface with 2‑port switch for seamless network integration

• Supports EtherNet/IP communication

• Vector control (with and without encoder) and V/f control

• Easy positioning (EPOS) function via extended function license

• 15 standard digital inputs (11 optically isolated, free reference potential, NPN/PNP selectable via wiring)

• 3 fail‑safe digital inputs (use of 2x DI Standard)

• 4 configurable digital inputs/outputs (transistor)

• 3 relay outputs (changeover contacts, DC 30 V / 0.5 A)

• 1 failsafe digital output

• 2 differential analog inputs (switchable between voltage –10…+10V and current 0‑20mA)

• 2 non‑isolated analog outputs

• Encoder interfaces: D‑CLIQ, HTL/TTL/SSI, resolver/HTL via terminal

• Safety Integrated functions: STO (Safe Torque Off), SBC (Safe Brake Control), SS1 (Safe Stop 1)

• Extended safety functions available via license

• USB interface for PC connection

• SD/MMC interface for parameter storage and backup

• 24V DC power supply from Power Module or external source

• Hot‑swappable — supports firmware version 4.4 or higher

• IP20 / UL Open Type protection for control cabinet installation

Applications:

• Conveyor systems and material handling

• Hoisting and lifting applications

• Packaging machinery and automation lines

• Winders and unwinders with precise speed control

• General motion control with high dynamic requirements

• OEM machine building and retrofit projects

• Applications requiring integrated safety functions

• Drives with demanding speed control requirements

Technical Specifications:

Power Supply:

Digital Inputs:

Digital Outputs:

Analog Inputs/Outputs:

Interfaces:

Environmental & Physical:

System Compatibility:

• Siemens SINAMICS G120 modular drive system

• Compatible Power Modules: PM240-2 (recommended), PM240, PM250

• SINAMICS G120 Control Units CU250S‑2 series

• PROFINET IO controllers via PROFIdrive profile

• EtherNet/IP networks

• SIMATIC S7‑1200, S7‑1500 controllers

• TIA Portal engineering framework (Startdrive)

• SINAMICS G120 Smart Access Module (optional)

Typical System Architecture:
24V DC Power Supply
↓
6SL3246-0BA22-1FA0 CU250S-2 PN Control Unit
│
├── PROFINET/EtherNet/IP → PLC / Higher‑Level Control System
├── D‑CLIQ / HTL/TTL/SSI / Resolver → Motor Encoder
├── Digital I/O (15 DI / 3 relay DO / 4 configurable DI-DO) → Field Devices
├── Analog I/O (2 AI / 2 AO) → Analog Sensors / Actuators
├── Safety Integrated (STO, SBC, SS1) → Safety Circuit
├── USB → PC Configuration
├── SD/MMC → Parameter Backup
│
↓
PM240-2 Power Module (e.g., 6SL3210‑1PE21‑8AL0)
↓
Three‑Phase Motor

Related Products:

• 6SL3210‑1PE21‑8AL0 – PM240-2 Power Module, 7.5kW, Frame C (compatible power module)

• 6SL3255‑0AA00‑4CA1 – BOP-2 Basic Operator Panel

• 6SL3255‑0AA00‑5AA0 – SINAMICS G120 Smart Access Module

• 6SL3054‑0FC00‑1BA0 – SINAMICS G120 Memory Card (SD card)

• 6SL3060‑4AF00‑0AA0 – DRIVE‑CLiQ cable (pre‑assembled, various lengths)

• 6SL3246‑0BA22‑1PA0 – CU250S‑2 DP (PROFIBUS version)

• 6SL3246‑0BA22‑1FA0 – CU250S‑2 PN (current model)

• 6SL3246‑0BA22‑1CA0 – CU250S‑2 CAN (CANopen version)

PLC ERA is an independent industrial automation distributor supplying 100% genuine Original New products through established global supply channels. Siemens, SINAMICS, PROFINET, and DRIVE‑CLiQ are trademarks of Siemens AG.